5139613 has 2 divisors, whose sum is σ = 5139614. Its totient is φ = 5139612.

The previous prime is 5139611. The next prime is 5139623. The reversal of 5139613 is 3169315.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5139289 + 324 = 2267^2 + 18^2 .

It is a cyclic number.

It is not a de Polignac number, because 5139613 - 2¹ = 5139611 is a prime.

Together with 5139611, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5139611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2569806 + 2569807.

It is an arithmetic number, because the mean of its divisors is an integer number (2569807).

Almost surely, 2^5139613 is an apocalyptic number.

It is an amenable number.

5139613 is a deficient number, since it is larger than the sum of its proper divisors (1).

5139613 is an equidigital number, since it uses as much as digits as its factorization.

5139613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2430, while the sum is 28.

The square root of 5139613 is about 2267.0714589532. The cubic root of 5139613 is about 172.5745725322.

The spelling of 5139613 in words is "five million, one hundred thirty-nine thousand, six hundred thirteen".